A Text-Book of Coal-Mining ... Second edition, etc
A technical manual on coal mining by Herbert W. Hughes, issued in a second edition by Griffin & Co. in 1893 for mining students and colliery engineers. The 255 figures are line engravings of pumps, rail joints, bolted fishplates, winding gear and shaft fittings, drawn in section with hatched fills and italic letter keys useful as diagrammatic ornament.
